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Diffstat (limited to 'src/mem/ruby/config/RubyConfig.hh')
| -rw-r--r-- | src/mem/ruby/config/RubyConfig.hh | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/mem/ruby/config/RubyConfig.hh b/src/mem/ruby/config/RubyConfig.hh new file mode 100644 index 000000000..c0e8ae59e --- /dev/null +++ b/src/mem/ruby/config/RubyConfig.hh @@ -0,0 +1,156 @@ + +/* + * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * RubyConfig.h + * + * Description: This class has only static members and class methods, + * and thus should never need to be instantiated. + * + * $Id$ + * + */ + +#ifndef RUBYCONFIG_H +#define RUBYCONFIG_H + +#include "mem/ruby/common/Global.hh" +#include "mem/gems_common/ioutil/vardecl.hh" +#include "mem/ruby/system/NodeID.hh" + +#define MEMORY_LATENCY RubyConfig::memoryResponseLatency() +#define ABORT_DELAY m_chip_ptr->getTransactionManager(m_version)->getAbortDelay() + +// Set paramterization +/* + * This defines the number of longs (32-bits on 32 bit machines, + * 64-bit on 64-bit AMD machines) to use to hold the set... + * the default is 4, allowing 128 or 256 different members + * of the set. + * + * This should never need to be changed for correctness reasons, + * though increasing it will increase performance for larger + * set sizes at the cost of a (much) larger memory footprint + * + */ +const int NUMBER_WORDS_PER_SET = 4; + +class RubyConfig { +public: + + // CACHE BLOCK CONFIG VARIBLES + static int dataBlockBits() { return g_DATA_BLOCK_BITS; } + static int dataBlockBytes() { return g_DATA_BLOCK_BYTES; } + + // SUPPORTED PHYSICAL MEMORY CONFIG VARIABLES + static int pageSizeBits() { return g_PAGE_SIZE_BITS; } + static int pageSizeBytes() { return g_PAGE_SIZE_BYTES; } + static int memorySizeBits() { return g_MEMORY_SIZE_BITS; } + static int64 memorySizeBytes() { return g_MEMORY_SIZE_BYTES; } + static int memoryModuleBits() { return g_MEMORY_MODULE_BITS; } + static int64 memoryModuleBlocks() { return g_MEMORY_MODULE_BLOCKS; } + + // returns number of SMT threads per physical processor + static int numberofSMTThreads() { return g_NUM_SMT_THREADS; } + // defines the number of simics processors (power of 2) + static int numberOfProcessors() { return g_NUM_PROCESSORS; } + static int procsPerChipBits() { return g_PROCS_PER_CHIP_BITS; } + static int numberOfProcsPerChip() { return g_PROCS_PER_CHIP; } + static int numberOfChips() { return g_NUM_CHIPS; } + + // MACHINE INSTANIATION CONFIG VARIABLES + // ------------------------------------- + // L1 CACHE MACHINES + // defines the number of L1banks - idependent of ruby chips (power of 2) + // NOTE - no protocols currently supports L1s != processors, just a placeholder + static int L1CacheBits() { return g_NUM_PROCESSORS_BITS; } + static int numberOfL1Cache() { return g_NUM_PROCESSORS; } + static int L1CachePerChipBits() { return procsPerChipBits() ; } // L1s != processors not currently supported + static int numberOfL1CachePerChip() { return numberOfProcsPerChip(); } // L1s != processors not currently supported + static int numberOfL1CachePerChip(NodeID myNodeID) { return numberOfL1CachePerChip(); } + static int L1CacheTransitionsPerCycle() { return L1CACHE_TRANSITIONS_PER_RUBY_CYCLE; } + + // L2 CACHE MACHINES + // defines the number of L2banks/L2Caches - idependent of ruby chips (power of 2) + static int L2CacheBits() { return g_NUM_L2_BANKS_BITS; } + static int numberOfL2Cache() { return g_NUM_L2_BANKS; } + static int L1CacheNumToL2Base(NodeID L1RubyNodeID); + static int L2CachePerChipBits() { return g_NUM_L2_BANKS_PER_CHIP_BITS; } + static int numberOfL2CachePerChip() { return g_NUM_L2_BANKS_PER_CHIP; } + static int numberOfL2CachePerChip(NodeID myNodeID) { return numberOfL2CachePerChip(); } + static int L2CacheTransitionsPerCycle() { return L2CACHE_TRANSITIONS_PER_RUBY_CYCLE; } + + // DIRECTORY/MEMORY MACHINES + // defines the number of ruby memories - idependent of ruby chips (power of 2) + static int memoryBits() { return g_NUM_MEMORIES_BITS; } + static int numberOfDirectory() { return numberOfMemories(); } + static int numberOfMemories() { return g_NUM_MEMORIES; } + static int numberOfDirectoryPerChip() { return g_NUM_MEMORIES_PER_CHIP; } + static int numberOfDirectoryPerChip(NodeID myNodeID) { return g_NUM_MEMORIES_PER_CHIP; } + static int DirectoryTransitionsPerCycle() { return DIRECTORY_TRANSITIONS_PER_RUBY_CYCLE; } + + // PERSISTENT ARBITER MACHINES + static int numberOfPersistentArbiter() { return numberOfMemories(); } + static int numberOfPersistentArbiterPerChip() {return numberOfDirectoryPerChip(); } + static int numberOfPersistentArbiterPerChip(NodeID myNodeID) {return numberOfDirectoryPerChip(myNodeID); } + static int PersistentArbiterTransitionsPerCycle() { return L2CACHE_TRANSITIONS_PER_RUBY_CYCLE; } + + // ---- END MACHINE SPECIFIC VARIABLES ---- + + // VARIABLE MEMORY RESPONSE LATENCY + // *** NOTE *** This is where variation is added to the simulation + // see Alameldeen et al. HPCA 2003 for further details + static int memoryResponseLatency() { return MEMORY_RESPONSE_LATENCY_MINUS_2+(random() % 5); } + + static void init(); + static void printConfiguration(ostream& out); + + // Memory Controller + static int memBusCycleMultiplier () { return MEM_BUS_CYCLE_MULTIPLIER; } + static int banksPerRank () { return BANKS_PER_RANK; } + static int ranksPerDimm () { return RANKS_PER_DIMM; } + static int dimmsPerChannel () { return DIMMS_PER_CHANNEL; } + static int bankBit0 () { return BANK_BIT_0; } + static int rankBit0 () { return RANK_BIT_0; } + static int dimmBit0 () { return DIMM_BIT_0; } + static int bankQueueSize () { return BANK_QUEUE_SIZE; } + static int bankBusyTime () { return BANK_BUSY_TIME; } + static int rankRankDelay () { return RANK_RANK_DELAY; } + static int readWriteDelay () { return READ_WRITE_DELAY; } + static int basicBusBusyTime () { return BASIC_BUS_BUSY_TIME; } + static int memCtlLatency () { return MEM_CTL_LATENCY; } + static int refreshPeriod () { return REFRESH_PERIOD; } + static int tFaw () { return TFAW; } + static int memRandomArbitrate () { return MEM_RANDOM_ARBITRATE; } + static int memFixedDelay () { return MEM_FIXED_DELAY; } + +private: +}; + +#endif //RUBYCONFIG_H |